1780s – Lissard House, Edgeworthstown, Co. Longford The demolished Lissard House was a three-storey block of late eighteenth-century construction, possibly incorporating earlier fabric dating to the turn of the eighteenth century,
1820 – Farraghroe House, Co. Longford Architect: Architect: John Hargrave / Nathaniel Montgomery Also known as Farragh, originally built in 1820 and extended several times before its demolition in 1960.
1830 – Castle Forbes, Newtownforbes, Co. Longford Architect: J.J. McCarthy A 19th century castle of random ashlar, built about 1830, replacing an earlier house destroyed by fire.
1837 – Carrigglas Manor, Longford, Co. Longford, Architect: Daniel Robertson A fine example of castellated Tudor Revival architecture, Carrigglas was designed by the Scottish architect Daniel Robertson in 1837 for Thomas Langlois Lefroy,